Pension systems are under serious pressure worldwide. This pressure stems not only from the well-known trend of population aging, but also from those of increasing heterogeneity of the population and increasing labour mobility. The current economic crisis has aggravated these problems, thereby...

In evaluating environmental policy, researchers have tended to focus on the industry or market that is targeted by regulation and to disregard policy impacts in other parts of the economy. Recent research indicates, however, that in economies where governments rely on distortionary taxes,...